The Black & Decker 3 in 1 High Performance LeafHog is three tools in one; blower, mulcher and vacuum. Push button release easily converts from blower to vacuum. Variable blow speed controls airflow from 150 mph to 200 mph. Anti-clog system. Bag holds 2 bushels worth of leaves. 10 to 1 mulch ratio mulches 10 bags of raked leaves into 1 bag of mulched leaves. SPECIFICATIONS: 12 amps, 200 mph max air velocity, 10:1 mulch ratio, 65 dBa decibel noise and 8.1 lb. weight.